This is xnu-11215.1.10. See this file in:
export MakeInc_cmd=${SRCROOT}/makedefs/MakeInc.cmd
export MakeInc_def=${SRCROOT}/makedefs/MakeInc.def
export MakeInc_rule=${SRCROOT}/makedefs/MakeInc.rule
export MakeInc_dir=${SRCROOT}/makedefs/MakeInc.dir
include $(MakeInc_cmd)
include $(MakeInc_def)
DATAFILES = crypto.h md5.h rand.h sha1.h
PRIVATE_DATAFILES = register_crypto.h sha2.h des.h aes.h aesxts.h rsa.h chacha20poly1305.h
INSTALL_KF_MI_LIST = ${DATAFILES}
INSTALL_KF_MI_LCL_LIST = ${PRIVATE_DATAFILES}
INSTALL_MI_DIR = libkern/crypto
EXPORT_MI_LIST = ${DATAFILES} ${PRIVATE_DATAFILES} crypto_internal.h
EXPORT_MI_DIR = libkern/crypto
include $(MakeInc_rule)
include $(MakeInc_dir)